Home / 83,947.08-125,730.18-65,075.88

Finding the Fourth Proportional to 83,947.08, 125,730.18 and 65,075.88

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Solution

The fourth proportional to 83,947.08, 125,730.18 and 65,075.88 is: 97,466.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,947.08 : 125,730.18 = 65,075.88 : x
  2. Step 2: Convert to fraction form
    83,947.08/125,730.18 = 65,075.88/x
  3. Step 3: Cross multiply
    83,947.08x = 125,730.18 × 65,075.88
  4. Step 4: Simplify right side
    83,947.08x = 8,182,002,106.06
  5. Step 5: Solve for x
    x = 8,182,002,106.06/83,947.08
  6. Step 6: Final answer
    x = 97,466.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.